A letter dated 21 March 1862, from the Marine Hospital in Vicksburg, Mississippi, to his brother. It requests money for tobacco and other necessaries. Printed on patriotic stationery; the last page has the song "Run , Yank, or Die," composed by T.W. Crowson of the Alabama Hickories, printed on it.

Contains one letter from Thomas and Charlotte King in 1827 to Joseph Evans of Logans County, Ohio. The letter updates Evans on the lives of the Kings, including the loss of two daughters and the recovery of their son who fell from a horse.

Letter to Lieutenant Colonal A.J. McKay from Lieutenant E.B. Kink, an officer serving in the United States Army during the Civil War at Camp Stevenson, Alabama. He discusses the condition of the camp, including the arrival of supplies of wagons and mules. He mentions needing more workmen and asks for help to get action taken on papers already sent to Washington.

This collection contains a letter from Gideon Kinports of Cherry Tree, Pennsylvania, to Eliza who is moving away from Cherry Tree. In it he expresses his deep feeling for her and includes a poem of his sentiments.

Letters to Thomas Y. Knies of Chicago, Illinois, written between 1880 and 1889, from his "Cousin Jane," Wm. F. and Mary R. Cottle, Katie Bell Cooper ("Cousin Katie"), "friend Lizzie," and "Cousin C.S. Cooper." There are several undated letters to Thomas and a couple from Thomas to his Cousin Katie. There is also a letter from "Uncle Robt" telling of the death of Arthur along with Thomas' letter of condolence.

Letters from Army sergeant during World War Two to friend Lacey Ennis in Fitzgerald, Georgia, detailing service life in Africa, Italy, and France. Also includes four photos, three of which depict the author.

John Frederick Kolb and Valentine Bruner Kolb were from Frederick County, Maryland, and fought for the Union in the Civil War. Valentine Kolb's letters to his family discuss battles, artillery, and prisoners; John F. Kolb's notification to enroll is included as well as a letter he wrote to his parents. Letters to their father are also included.

One letter written from George Kresal, stationed at a naval base in Apra Harbor, Guam, to his parents in Omro, Wisconsin. He wrote of daily life on base and service in the honor guard for the departure of Admiral George Murray.

Two letters (one in German and one in English) from Maria Kruper of Munster, Westphalia, British Zone, Germany to relatives (family Herm. Kreienbrink) in Louisville, Kentucky in 1948. There is no translation available at this time for the letter in German.